package com.cnware.capture.ui.editor.handler;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.navigator.CommonNavigator;

import com.cnware.capture.ui.editor.TaskEditor;
import com.cnware.capture.ui.editor.TaskEditorInput;
import com.cnware.capture.ui.view.navigator.CaptureNavigator;
import com.cnware.capture.ui.view.navigator.resource.TaskItem;


public class OpenTaskEditor extends AbstractHandler {

	@Override
	public Object execute(ExecutionEvent event) throws ExecutionException {
		// Get the view
		IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindow(event);
		IWorkbenchPage page = window.getActivePage();
		CommonNavigator view = (CommonNavigator) page.findView(CaptureNavigator.VIEW_ID);
		// Get the selection
		ISelection selection = view.getSite().getSelectionProvider()
				.getSelection();
		if (selection != null && selection instanceof IStructuredSelection) {
			Object obj = ((IStructuredSelection) selection).getFirstElement();
			// If we had a selection lets open the editor
			if (obj != null) {
				TaskItem task = (TaskItem) obj;
				TaskEditorInput input = new TaskEditorInput(task);
				try {
					page.openEditor(input, TaskEditor.EDITOR_ID);

				} catch (PartInitException e) {
					throw new RuntimeException(e);
				}
			}
		}
		return null;
	}


}
